getCacheDir() public method

Get cache directory
public getCacheDir ( ) : string
return string path of cache directory
Beispiel #1
0
 /**
  * Initialise Twig
  *
  * @return void
  */
 protected function initTemplateEngine()
 {
     $this->loader = new \Smarty();
     $this->loader->muteExpectedErrors();
     $this->loader->setTemplateDir($this->getTemplateDir());
     $this->loader->addPluginsDir(dirname(__FILE__) . DIRECTORY_SEPARATOR . 'SmartyPlugins');
     $this->initSmartyCache();
     Logger::debug("Smarty Cache: " . $this->loader->getCacheDir());
 }
 /**
  * diagnose Smarty setup
  *
  * If $errors is secified, the diagnostic report will be appended to the array, rather than being output.
  *
  * @param Smarty $smarty  Smarty instance to test
  * @param array  $errors array to push results into rather than outputting them
  * @return bool status, true if everything is fine, false else
  */
 public static function testInstall(Smarty $smarty, &$errors = null)
 {
     $status = true;
     if ($errors === null) {
         echo "<PRE>\n";
         echo "Smarty Installation test...\n";
         echo "Testing template directory...\n";
     }
     // test if all registered template_dir are accessible
     foreach ($smarty->getTemplateDir() as $template_dir) {
         if (!is_dir($template_dir)) {
             $status = false;
             $message = "FAILED: {$template_dir} is not a directory";
             if ($errors === null) {
                 echo $message . ".\n";
             } else {
                 $errors['template_dir'] = $message;
             }
         } elseif (!is_readable($template_dir)) {
             $status = false;
             $message = "FAILED: {$template_dir} is not readable";
             if ($errors === null) {
                 echo $message . ".\n";
             } else {
                 $errors['template_dir'] = $message;
             }
         } else {
             if ($errors === null) {
                 echo "{$template_dir} is OK.\n";
             }
         }
     }
     if ($errors === null) {
         echo "Testing compile directory...\n";
     }
     // test if registered compile_dir is accessible
     $_compile_dir = $smarty->getCompileDir();
     if (!is_dir($_compile_dir)) {
         $status = false;
         $message = "FAILED: {$_compile_dir} is not a directory";
         if ($errors === null) {
             echo $message . ".\n";
         } else {
             $errors['compile_dir'] = $message;
         }
     } elseif (!is_readable($_compile_dir)) {
         $status = false;
         $message = "FAILED: {$_compile_dir} is not readable";
         if ($errors === null) {
             echo $message . ".\n";
         } else {
             $errors['compile_dir'] = $message;
         }
     } elseif (!is_writable($_compile_dir)) {
         $status = false;
         $message = "FAILED: {$_compile_dir} is not writable";
         if ($errors === null) {
             echo $message . ".\n";
         } else {
             $errors['compile_dir'] = $message;
         }
     } else {
         if ($errors === null) {
             echo "{$_compile_dir} is OK.\n";
         }
     }
     if ($errors === null) {
         echo "Testing plugins directory...\n";
     }
     // test if all registered plugins_dir are accessible
     // and if core plugins directory is still registered
     $_core_plugins_dir = realpath(dirname(__FILE__) . '/../plugins');
     $_core_plugins_available = false;
     foreach ($smarty->getPluginsDir() as $plugin_dir) {
         if (!is_dir($plugin_dir)) {
             $status = false;
             $message = "FAILED: {$plugin_dir} is not a directory";
             if ($errors === null) {
                 echo $message . ".\n";
             } else {
                 $errors['plugins_dir'] = $message;
             }
         } elseif (!is_readable($plugin_dir)) {
             $status = false;
             $message = "FAILED: {$plugin_dir} is not readable";
             if ($errors === null) {
                 echo $message . ".\n";
             } else {
                 $errors['plugins_dir'] = $message;
             }
         } elseif ($_core_plugins_dir && $_core_plugins_dir == realpath($plugin_dir)) {
             $_core_plugins_available = true;
         } else {
             if ($errors === null) {
                 echo "{$plugin_dir} is OK.\n";
             }
         }
     }
     if (!$_core_plugins_available) {
         $status = false;
         $message = "WARNING: Smarty's own libs/plugins is not available";
         if ($errors === null) {
             echo $message . ".\n";
         } elseif (!isset($errors['plugins_dir'])) {
             $errors['plugins_dir'] = $message;
         }
     }
     if ($errors === null) {
         echo "Testing cache directory...\n";
     }
     $_cache_dir = $smarty->getCacheDir();
     // test if all registered cache_dir is accessible
     if (!is_dir($_cache_dir)) {
         $status = false;
         $message = "FAILED: {$_cache_dir} is not a directory";
         if ($errors === null) {
             echo $message . ".\n";
         } else {
             $errors['cache_dir'] = $message;
         }
     } elseif (!is_readable($_cache_dir)) {
         $status = false;
         $message = "FAILED: {$_cache_dir} is not readable";
         if ($errors === null) {
             echo $message . ".\n";
         } else {
             $errors['cache_dir'] = $message;
         }
     } elseif (!is_writable($_cache_dir)) {
         $status = false;
         $message = "FAILED: {$_cache_dir} is not writable";
         if ($errors === null) {
             echo $message . ".\n";
         } else {
             $errors['cache_dir'] = $message;
         }
     } else {
         if ($errors === null) {
             echo "{$_cache_dir} is OK.\n";
         }
     }
     if ($errors === null) {
         echo "Testing configs directory...\n";
     }
     // test if all registered config_dir are accessible
     foreach ($smarty->getConfigDir() as $config_dir) {
         if (!is_dir($config_dir)) {
             $status = false;
             $message = "FAILED: {$config_dir} is not a directory";
             if ($errors === null) {
                 echo $message . ".\n";
             } else {
                 $errors['config_dir'] = $message;
             }
         } elseif (!is_readable($config_dir)) {
             $status = false;
             $message = "FAILED: {$config_dir} is not readable";
             if ($errors === null) {
                 echo $message . ".\n";
             } else {
                 $errors['config_dir'] = $message;
             }
         } else {
             if ($errors === null) {
                 echo "{$config_dir} is OK.\n";
             }
         }
     }
     if ($errors === null) {
         echo "Testing sysplugin files...\n";
     }
     // test if sysplugins are available
     $source = SMARTY_SYSPLUGINS_DIR;
     if (is_dir($source)) {
         $expected = array("smarty_cacheresource.php" => true, "smarty_cacheresource_custom.php" => true, "smarty_cacheresource_keyvaluestore.php" => true, "smarty_config_source.php" => true, "smarty_internal_cacheresource_file.php" => true, "smarty_internal_compile_append.php" => true, "smarty_internal_compile_assign.php" => true, "smarty_internal_compile_block.php" => true, "smarty_internal_compile_break.php" => true, "smarty_internal_compile_call.php" => true, "smarty_internal_compile_capture.php" => true, "smarty_internal_compile_config_load.php" => true, "smarty_internal_compile_continue.php" => true, "smarty_internal_compile_debug.php" => true, "smarty_internal_compile_eval.php" => true, "smarty_internal_compile_extends.php" => true, "smarty_internal_compile_for.php" => true, "smarty_internal_compile_foreach.php" => true, "smarty_internal_compile_function.php" => true, "smarty_internal_compile_if.php" => true, "smarty_internal_compile_include.php" => true, "smarty_internal_compile_include_php.php" => true, "smarty_internal_compile_insert.php" => true, "smarty_internal_compile_ldelim.php" => true, "smarty_internal_compile_nocache.php" => true, "smarty_internal_compile_private_block_plugin.php" => true, "smarty_internal_compile_private_function_plugin.php" => true, "smarty_internal_compile_private_modifier.php" => true, "smarty_internal_compile_private_object_block_function.php" => true, "smarty_internal_compile_private_object_function.php" => true, "smarty_internal_compile_private_print_expression.php" => true, "smarty_internal_compile_private_registered_block.php" => true, "smarty_internal_compile_private_registered_function.php" => true, "smarty_internal_compile_private_special_variable.php" => true, "smarty_internal_compile_rdelim.php" => true, "smarty_internal_compile_section.php" => true, "smarty_internal_compile_setfilter.php" => true, "smarty_internal_compile_while.php" => true, "smarty_internal_compilebase.php" => true, "smarty_internal_config.php" => true, "smarty_internal_config_file_compiler.php" => true, "smarty_internal_configfilelexer.php" => true, "smarty_internal_configfileparser.php" => true, "smarty_internal_data.php" => true, "smarty_internal_debug.php" => true, "smarty_internal_filter_handler.php" => true, "smarty_internal_function_call_handler.php" => true, "smarty_internal_get_include_path.php" => true, "smarty_internal_nocache_insert.php" => true, "smarty_internal_parsetree.php" => true, "smarty_internal_resource_eval.php" => true, "smarty_internal_resource_extends.php" => true, "smarty_internal_resource_file.php" => true, "smarty_internal_resource_registered.php" => true, "smarty_internal_resource_stream.php" => true, "smarty_internal_resource_string.php" => true, "smarty_internal_smartytemplatecompiler.php" => true, "smarty_internal_template.php" => true, "smarty_internal_templatebase.php" => true, "smarty_internal_templatecompilerbase.php" => true, "smarty_internal_templatelexer.php" => true, "smarty_internal_templateparser.php" => true, "smarty_internal_utility.php" => true, "smarty_internal_write_file.php" => true, "smarty_resource.php" => true, "smarty_resource_custom.php" => true, "smarty_resource_recompiled.php" => true, "smarty_resource_uncompiled.php" => true, "smarty_security.php" => true);
         $iterator = new DirectoryIterator($source);
         foreach ($iterator as $file) {
             if (!$file->isDot()) {
                 $filename = $file->getFilename();
                 if (isset($expected[$filename])) {
                     unset($expected[$filename]);
                 }
             }
         }
         if ($expected) {
             $status = false;
             $message = "FAILED: files missing from libs/sysplugins: " . join(', ', array_keys($expected));
             if ($errors === null) {
                 echo $message . ".\n";
             } else {
                 $errors['sysplugins'] = $message;
             }
         } elseif ($errors === null) {
             echo "... OK\n";
         }
     } else {
         $status = false;
         $message = "FAILED: " . SMARTY_SYSPLUGINS_DIR . ' is not a directory';
         if ($errors === null) {
             echo $message . ".\n";
         } else {
             $errors['sysplugins_dir_constant'] = $message;
         }
     }
     if ($errors === null) {
         echo "Testing plugin files...\n";
     }
     // test if core plugins are available
     $source = SMARTY_PLUGINS_DIR;
     if (is_dir($source)) {
         $expected = array("block.textformat.php" => true, "function.counter.php" => true, "function.cycle.php" => true, "function.fetch.php" => true, "function.html_checkboxes.php" => true, "function.html_image.php" => true, "function.html_options.php" => true, "function.html_radios.php" => true, "function.html_select_date.php" => true, "function.html_select_time.php" => true, "function.html_table.php" => true, "function.mailto.php" => true, "function.math.php" => true, "modifier.capitalize.php" => true, "modifier.date_format.php" => true, "modifier.debug_print_var.php" => true, "modifier.escape.php" => true, "modifier.regex_replace.php" => true, "modifier.replace.php" => true, "modifier.spacify.php" => true, "modifier.truncate.php" => true, "modifiercompiler.cat.php" => true, "modifiercompiler.count_characters.php" => true, "modifiercompiler.count_paragraphs.php" => true, "modifiercompiler.count_sentences.php" => true, "modifiercompiler.count_words.php" => true, "modifiercompiler.default.php" => true, "modifiercompiler.escape.php" => true, "modifiercompiler.from_charset.php" => true, "modifiercompiler.indent.php" => true, "modifiercompiler.lower.php" => true, "modifiercompiler.noprint.php" => true, "modifiercompiler.string_format.php" => true, "modifiercompiler.strip.php" => true, "modifiercompiler.strip_tags.php" => true, "modifiercompiler.to_charset.php" => true, "modifiercompiler.unescape.php" => true, "modifiercompiler.upper.php" => true, "modifiercompiler.wordwrap.php" => true, "outputfilter.trimwhitespace.php" => true, "shared.escape_special_chars.php" => true, "shared.literal_compiler_param.php" => true, "shared.make_timestamp.php" => true, "shared.mb_str_replace.php" => true, "shared.mb_unicode.php" => true, "shared.mb_wordwrap.php" => true, "variablefilter.htmlspecialchars.php" => true);
         $iterator = new DirectoryIterator($source);
         foreach ($iterator as $file) {
             if (!$file->isDot()) {
                 $filename = $file->getFilename();
                 if (isset($expected[$filename])) {
                     unset($expected[$filename]);
                 }
             }
         }
         if ($expected) {
             $status = false;
             $message = "FAILED: files missing from libs/plugins: " . join(', ', array_keys($expected));
             if ($errors === null) {
                 echo $message . ".\n";
             } else {
                 $errors['plugins'] = $message;
             }
         } elseif ($errors === null) {
             echo "... OK\n";
         }
     } else {
         $status = false;
         $message = "FAILED: " . SMARTY_PLUGINS_DIR . ' is not a directory';
         if ($errors === null) {
             echo $message . ".\n";
         } else {
             $errors['plugins_dir_constant'] = $message;
         }
     }
     if ($errors === null) {
         echo "Tests complete.\n";
         echo "</PRE>\n";
     }
     return $status;
 }
 public function clear(Smarty $smarty, $resource_name, $cache_id, $compile_id, $exp_time)
 {
     $_cache_id = isset($cache_id) ? preg_replace('![^\\w\\|]+!', '_', $cache_id) : null;
     $_compile_id = isset($compile_id) ? preg_replace('![^\\w\\|]+!', '_', $compile_id) : null;
     $_dir_sep = $smarty->use_sub_dirs ? '/' : '^';
     $_compile_id_offset = $smarty->use_sub_dirs ? 3 : 0;
     $_dir = $smarty->getCacheDir();
     $_dir_length = strlen($_dir);
     if (isset($_cache_id)) {
         $_cache_id_parts = explode('|', $_cache_id);
         $_cache_id_parts_count = count($_cache_id_parts);
         if ($smarty->use_sub_dirs) {
             foreach ($_cache_id_parts as $id_part) {
                 $_dir .= $id_part . DS;
             }
         }
     }
     if (isset($resource_name)) {
         $_save_stat = $smarty->caching;
         $smarty->caching = true;
         $tpl = new $smarty->template_class($resource_name, $smarty);
         $smarty->caching = $_save_stat;
         $tpl->source;
         if ($smarty->allow_ambiguous_resources) {
             $_templateId = $tpl->source->unique_resource . $tpl->cache_id . $tpl->compile_id;
         } else {
             $_templateId = $smarty->joined_template_dir . '#' . $resource_name . $tpl->cache_id . $tpl->compile_id;
         }
         if (isset($_templateId[150])) {
             $_templateId = sha1($_templateId);
         }
         unset($smarty->template_objects[$_templateId]);
         if ($tpl->source->exists) {
             $_resourcename_parts = basename(str_replace('^', '/', $tpl->cached->filepath));
         } else {
             return 0;
         }
     }
     $_count = 0;
     $_time = time();
     if (file_exists($_dir)) {
         $_cacheDirs = new RecursiveDirectoryIterator($_dir);
         $_cache = new RecursiveIteratorIterator($_cacheDirs, RecursiveIteratorIterator::CHILD_FIRST);
         foreach ($_cache as $_file) {
             if (substr(basename($_file->getPathname()), 0, 1) == '.' || strpos($_file, '.svn') !== false) {
                 continue;
             }
             if ($_file->isDir()) {
                 if (!$_cache->isDot()) {
                     @rmdir($_file->getPathname());
                 }
             } else {
                 $_parts = explode($_dir_sep, str_replace('\\', '/', substr((string) $_file, $_dir_length)));
                 $_parts_count = count($_parts);
                 if (isset($resource_name)) {
                     if ($_parts[$_parts_count - 1] != $_resourcename_parts) {
                         continue;
                     }
                 }
                 if (isset($_compile_id) && (!isset($_parts[$_parts_count - 2 - $_compile_id_offset]) || $_parts[$_parts_count - 2 - $_compile_id_offset] != $_compile_id)) {
                     continue;
                 }
                 if (isset($_cache_id)) {
                     $_parts_count = isset($_compile_id) ? $_parts_count - 2 - $_compile_id_offset : $_parts_count - 1 - $_compile_id_offset;
                     if ($_parts_count < $_cache_id_parts_count) {
                         continue;
                     }
                     for ($i = 0; $i < $_cache_id_parts_count; $i++) {
                         if ($_parts[$i] != $_cache_id_parts[$i]) {
                             continue 2;
                         }
                     }
                 }
                 if (isset($exp_time) && $_time - @filemtime($_file) < $exp_time) {
                     continue;
                 }
                 $_count += @unlink((string) $_file) ? 1 : 0;
             }
         }
     }
     return $_count;
 }
 /**
  * Empty cache for a specific template
  *
  * @param Smarty  $smarty
  * @param string  $resource_name template name
  * @param string  $cache_id      cache id
  * @param string  $compile_id    compile id
  * @param integer $exp_time      expiration time (number of seconds, not timestamp)
  *
  * @return integer number of cache files deleted
  */
 public function clear(Smarty $smarty, $resource_name, $cache_id, $compile_id, $exp_time)
 {
     $_cache_id = isset($cache_id) ? preg_replace('![^\\w\\|]+!', '_', $cache_id) : null;
     $_compile_id = isset($compile_id) ? preg_replace('![^\\w\\|]+!', '_', $compile_id) : null;
     $_dir_sep = $smarty->use_sub_dirs ? '/' : '^';
     $_compile_id_offset = $smarty->use_sub_dirs ? 3 : 0;
     if (($_dir = realpath($smarty->getCacheDir())) === false) {
         return 0;
     }
     $_dir .= '/';
     $_dir_length = strlen($_dir);
     if (isset($_cache_id)) {
         $_cache_id_parts = explode('|', $_cache_id);
         $_cache_id_parts_count = count($_cache_id_parts);
         if ($smarty->use_sub_dirs) {
             foreach ($_cache_id_parts as $id_part) {
                 $_dir .= $id_part . DS;
             }
         }
     }
     if (isset($resource_name)) {
         $_save_stat = $smarty->caching;
         $smarty->caching = true;
         $tpl = new $smarty->template_class($resource_name, $smarty);
         $smarty->caching = $_save_stat;
         // remove from template cache
         $tpl->source;
         // have the template registered before unset()
         if ($smarty->allow_ambiguous_resources) {
             $_templateId = $tpl->source->unique_resource . $tpl->cache_id . $tpl->compile_id;
         } else {
             $_templateId = $smarty->joined_template_dir . '#' . $resource_name . $tpl->cache_id . $tpl->compile_id;
         }
         if (isset($_templateId[150])) {
             $_templateId = sha1($_templateId);
         }
         unset($smarty->template_objects[$_templateId]);
         if ($tpl->source->exists) {
             $_resourcename_parts = basename(str_replace('^', '/', $tpl->cached->filepath));
         } else {
             return 0;
         }
     }
     $_count = 0;
     $_time = time();
     if (file_exists($_dir)) {
         $_cacheDirs = new RecursiveDirectoryIterator($_dir);
         $_cache = new RecursiveIteratorIterator($_cacheDirs, RecursiveIteratorIterator::CHILD_FIRST);
         foreach ($_cache as $_file) {
             if (substr(basename($_file->getPathname()), 0, 1) == '.' || strpos($_file, '.svn') !== false) {
                 continue;
             }
             // directory ?
             if ($_file->isDir()) {
                 if (!$_cache->isDot()) {
                     // delete folder if empty
                     @rmdir($_file->getPathname());
                 }
             } else {
                 $_parts = explode($_dir_sep, str_replace('\\', '/', substr((string) $_file, $_dir_length)));
                 $_parts_count = count($_parts);
                 // check name
                 if (isset($resource_name)) {
                     if ($_parts[$_parts_count - 1] != $_resourcename_parts) {
                         continue;
                     }
                 }
                 // check compile id
                 if (isset($_compile_id) && (!isset($_parts[$_parts_count - 2 - $_compile_id_offset]) || $_parts[$_parts_count - 2 - $_compile_id_offset] != $_compile_id)) {
                     continue;
                 }
                 // check cache id
                 if (isset($_cache_id)) {
                     // count of cache id parts
                     $_parts_count = isset($_compile_id) ? $_parts_count - 2 - $_compile_id_offset : $_parts_count - 1 - $_compile_id_offset;
                     if ($_parts_count < $_cache_id_parts_count) {
                         continue;
                     }
                     for ($i = 0; $i < $_cache_id_parts_count; $i++) {
                         if ($_parts[$i] != $_cache_id_parts[$i]) {
                             continue 2;
                         }
                     }
                 }
                 // expired ?
                 if (isset($exp_time)) {
                     if ($exp_time < 0) {
                         preg_match('#\'cache_lifetime\' =>\\s*(\\d*)#', file_get_contents($_file), $match);
                         if ($_time < @filemtime($_file) + $match[1]) {
                             continue;
                         }
                     } else {
                         if ($_time - @filemtime($_file) < $exp_time) {
                             continue;
                         }
                     }
                 }
                 $_count += @unlink((string) $_file) ? 1 : 0;
             }
         }
     }
     return $_count;
 }
 /**
  * Empty cache for a specific template
  *
  * @param Smarty  $smarty
  * @param string  $resource_name template name
  * @param string  $cache_id      cache id
  * @param string  $compile_id    compile id
  * @param integer $exp_time      expiration time (number of seconds, not timestamp)
  *
  * @return integer number of cache files deleted
  */
 public function clear(Smarty $smarty, $resource_name, $cache_id, $compile_id, $exp_time)
 {
     $_cache_id = isset($cache_id) ? preg_replace('![^\\w\\|]+!', '_', $cache_id) : null;
     $_compile_id = isset($compile_id) ? preg_replace('![^\\w]+!', '_', $compile_id) : null;
     $_dir_sep = $smarty->use_sub_dirs ? '/' : '^';
     $_compile_id_offset = $smarty->use_sub_dirs ? 3 : 0;
     $_dir = $smarty->getCacheDir();
     if ($_dir == '/') {
         //We should never want to delete this!
         return 0;
     }
     $_dir_length = strlen($_dir);
     if (isset($_cache_id)) {
         $_cache_id_parts = explode('|', $_cache_id);
         $_cache_id_parts_count = count($_cache_id_parts);
         if ($smarty->use_sub_dirs) {
             foreach ($_cache_id_parts as $id_part) {
                 $_dir .= $id_part . $smarty->ds;
             }
         }
     }
     if (isset($resource_name)) {
         $_save_stat = $smarty->caching;
         $smarty->caching = true;
         $tpl = new $smarty->template_class($resource_name, $smarty);
         $smarty->caching = $_save_stat;
         // remove from template cache
         $tpl->source;
         // have the template registered before unset()
         if ($tpl->source->exists) {
             $_resourcename_parts = basename(str_replace('^', '/', $tpl->cached->filepath));
         } else {
             return 0;
         }
     }
     $_count = 0;
     $_time = time();
     if (file_exists($_dir)) {
         $_cacheDirs = new RecursiveDirectoryIterator($_dir);
         $_cache = new RecursiveIteratorIterator($_cacheDirs, RecursiveIteratorIterator::CHILD_FIRST);
         foreach ($_cache as $_file) {
             if (substr(basename($_file->getPathname()), 0, 1) == '.') {
                 continue;
             }
             $_filepath = (string) $_file;
             // directory ?
             if ($_file->isDir()) {
                 if (!$_cache->isDot()) {
                     // delete folder if empty
                     @rmdir($_file->getPathname());
                 }
             } else {
                 // delete only php files
                 if (substr($_filepath, -4) !== '.php') {
                     continue;
                 }
                 $_parts = explode($_dir_sep, str_replace('\\', '/', substr($_filepath, $_dir_length)));
                 $_parts_count = count($_parts);
                 // check name
                 if (isset($resource_name)) {
                     if ($_parts[$_parts_count - 1] != $_resourcename_parts) {
                         continue;
                     }
                 }
                 // check compile id
                 if (isset($_compile_id) && (!isset($_parts[$_parts_count - 2 - $_compile_id_offset]) || $_parts[$_parts_count - 2 - $_compile_id_offset] != $_compile_id)) {
                     continue;
                 }
                 // check cache id
                 if (isset($_cache_id)) {
                     // count of cache id parts
                     $_parts_count = isset($_compile_id) ? $_parts_count - 2 - $_compile_id_offset : $_parts_count - 1 - $_compile_id_offset;
                     if ($_parts_count < $_cache_id_parts_count) {
                         continue;
                     }
                     for ($i = 0; $i < $_cache_id_parts_count; $i++) {
                         if ($_parts[$i] != $_cache_id_parts[$i]) {
                             continue 2;
                         }
                     }
                 }
                 // expired ?
                 if (isset($exp_time)) {
                     if ($exp_time < 0) {
                         preg_match('#\'cache_lifetime\' =>\\s*(\\d*)#', file_get_contents($_file), $match);
                         if ($_time < @filemtime($_file) + $match[1]) {
                             continue;
                         }
                     } else {
                         if ($_time - @filemtime($_file) < $exp_time) {
                             continue;
                         }
                     }
                 }
                 $_count += @unlink($_filepath) ? 1 : 0;
                 if (function_exists('opcache_invalidate') && strlen(ini_get("opcache.restrict_api")) < 1) {
                     opcache_invalidate($_filepath, true);
                 }
             }
         }
     }
     return $_count;
 }
 /**
  * Empty cache for a specific template
  *
  * @param Smarty  $_template     template object
  * @param string  $resource_name template name
  * @param string  $cache_id      cache id
  * @param string  $compile_id    compile id
  * @param integer $exp_time      expiration time (number of seconds, not timestamp)
  * @return integer number of cache files deleted
  */
 public function clear(Smarty $smarty, $resource_name, $cache_id, $compile_id, $exp_time)
 {
     $_cache_id = isset($cache_id) ? preg_replace('![^\\w\\|]+!', '_', $cache_id) : null;
     $_compile_id = isset($compile_id) ? preg_replace('![^\\w\\|]+!', '_', $compile_id) : null;
     $_dir_sep = $smarty->use_sub_dirs ? '/' : '^';
     $_compile_id_offset = $smarty->use_sub_dirs ? 3 : 0;
     $_dir = $smarty->getCacheDir();
     $_dir_length = strlen($_dir);
     if (isset($_cache_id)) {
         $_cache_id_parts = explode('|', $_cache_id);
         $_cache_id_parts_count = count($_cache_id_parts);
         if ($smarty->use_sub_dirs) {
             foreach ($_cache_id_parts as $id_part) {
                 $_dir .= $id_part . DS;
             }
         }
     }
     if (isset($resource_name)) {
         $_save_stat = $smarty->caching;
         $smarty->caching = true;
         $tpl = new $smarty->template_class($resource_name, $smarty);
         $smarty->caching = $_save_stat;
         if ($tpl->source->exists) {
             $_resourcename_parts = basename(str_replace('^', '/', $tpl->cached->filepath));
             // remove from template cache
             unset($smarty->template_objects[sha1(join(DIRECTORY_SEPARATOR, $smarty->getTemplateDir()) . $tpl->template_resource . $tpl->cache_id . $tpl->compile_id)]);
         } else {
             // remove from template cache
             unset($smarty->template_objects[sha1(join(DIRECTORY_SEPARATOR, $smarty->getTemplateDir()) . $tpl->template_resource . $tpl->cache_id . $tpl->compile_id)]);
             return 0;
         }
     }
     $_count = 0;
     $_time = time();
     if (file_exists($_dir)) {
         $_cacheDirs = new RecursiveDirectoryIterator($_dir);
         $_cache = new RecursiveIteratorIterator($_cacheDirs, RecursiveIteratorIterator::CHILD_FIRST);
         foreach ($_cache as $_file) {
             if (substr($_file->getBasename(), 0, 1) == '.' || strpos($_file, '.svn') !== false) {
                 continue;
             }
             // directory ?
             if ($_file->isDir()) {
                 if (!$_cache->isDot()) {
                     // delete folder if empty
                     @rmdir($_file->getPathname());
                 }
             } else {
                 $_parts = explode($_dir_sep, str_replace('\\', '/', substr((string) $_file, $_dir_length)));
                 $_parts_count = count($_parts);
                 // check name
                 if (isset($resource_name)) {
                     if ($_parts[$_parts_count - 1] != $_resourcename_parts) {
                         continue;
                     }
                 }
                 // check compile id
                 if (isset($_compile_id) && (!isset($_parts[$_parts_count - 2 - $_compile_id_offset]) || $_parts[$_parts_count - 2 - $_compile_id_offset] != $_compile_id)) {
                     continue;
                 }
                 // check cache id
                 if (isset($_cache_id)) {
                     // count of cache id parts
                     $_parts_count = isset($_compile_id) ? $_parts_count - 2 - $_compile_id_offset : $_parts_count - 1 - $_compile_id_offset;
                     if ($_parts_count < $_cache_id_parts_count) {
                         continue;
                     }
                     for ($i = 0; $i < $_cache_id_parts_count; $i++) {
                         if ($_parts[$i] != $_cache_id_parts[$i]) {
                             continue 2;
                         }
                     }
                 }
                 // expired ?
                 if (isset($exp_time) && $_time - @filemtime($_file) < $exp_time) {
                     continue;
                 }
                 $_count += @unlink((string) $_file) ? 1 : 0;
             }
         }
     }
     return $_count;
 }